Using favorite colors or cool nicknames to choose winners provides as good a chance as any scientific method.

FORBES: Magazine Article

Even recently hired executives can benefit from locking horns with the boss, provided they choose battles wisely, keep their cool and build a compelling case that boosts their superior's reputation, leadership experts say.

WSJ: How to Win an Argument With the Boss

One might tell me I was calm, while another advised me that I needed to cool down, so take their readings with a grain of salt if you choose to hop on board.

WSJ: Keep Calm and Carry a Gizmo